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V/137D/XHIP Extended Hipparcos Compilation (XHIP) (Anderson+, 2012)
XHIP catalog: astrometry, spectrography, space motions, exoplanets, photometry, and references (117955 rows)
  recno=22904
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ColumnValue  Explain   (UCD)
_RAJ200004 56 24.1878333 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-05 10 16.870262 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 53 56.3078878 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-05 14 56.604238 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon203.9326297399 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-27.8753553567 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
22904recno 22904  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 22958  (i) Hipparcos identifier (linked to details from HIP catalogs) (meta.id;meta.main)
CompAC  Component(s) (Note 1)   (meta.code.multip)
Classes**,*,*i*,PM*,IR  SIMBAD classifications (comma separated) (Note 2)   (src.class)
Gr    Cluster or Association membership(s) (Note 3)   (meta.code.member)
RAJ2000074.10078874 deg (i) Right ascension (ICRS, Epoch=J1991.25) (pos.eq.ra;meta.main)
e_RAJ2000 0.53 mas Standard error on RA*cos(DEdeg) (stat.error;pos.eq.ra)
DEJ2000-05.17135042 deg (i) Declination (ICRS, Epoch=J1991.25) (pos.eq.dec;meta.main)
e_DEJ2000 0.34 mas Standard error on DE (stat.error;pos.eq.dec)
Plx 4.40 mas Trigonometric parallax (pos.parallax.trig)
e_Plx 0.63 mas Standard error on Plx (stat.error;pos.parallax)
pmRA -2.50 mas/yr Proper motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
e_pmRA 0.80 mas/yr Standard error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -1.00 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.80 mas/yr Standard error on pmDE (stat.error;pos.pm;pos.eq.dec)
r_HIP2   [1/2] Reference for Hipparcos astrometry (Note 4)   (meta.ref;pos.frame)
r_pm2   [1/3] Reference for proper motion (Note 5)   (meta.ref;pos.frame)
GLon203.93263278 deg Galactic longitude (Note 6)   (pos.galactic.lon)
GLat-27.87535468 deg Galactic latitude (Note 6)   (pos.galactic.lat)
Dist 221.82 pc Heliocentric distance (Note 7)   (pos.distance)
e_Dist14.3 % Distance error expressed as percentage (Note 8)   (stat.error)
pmGLon -0.29 mas/yr Proper motion in GLon*cos(GLat) (pos.pm)
pmGLat -2.68 mas/yr Proper motion in GLat (pos.pm)
X-179.2 pc Heliocentric distance towards Gal. center (pos.distance)
Y -79.5 pc Heliocentric distance towards Gal. rotation (pos.distance)
Z-103.7 pc Heliocentric distance towards N. Gal. Pole (pos.distance)
RGal7580 pc Galactocentric distance (Note 9)   (pos.distance;pos.galactocentric)
vT 2.8 km/s Transverse velocity (phys.veloc)
SpTypeB5 III  Spectral type (MK, HD, or other) (src.spType)
Tc 25   ]0/140[ Temperature class codified (Note 10)   (src.spType)
Lc3   [1/6] Luminosity class codified (Note 11)   (src.class.luminosity)
RV 24.00 km/s Radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 4.30 km/s Standard error on RV (Note 12)   (stat.error)
q_RVA   [ABCD] Quality flag on RV (Note 13)   (meta.code.qual)
[Fe/H]  [Sun] Iron abundance (phys.abund.Fe)
e_[Fe/H]  [Sun] Standard error on [Fe/H] (Note 14)   (stat.error;phys.abund.Fe)
q_[Fe/H]    [ABC] Quality flag on [Fe/H] (Note 15)   (meta.code.qual;phys.abund.Fe)
age  Gyr Age, in billions of years (time.age)
b_age  Gyr Lower confidence limit on age (time.age;stat.fit.param)
B_age  Gyr Upper confidence limit on age (time.age;stat.fit.param)
U -18.3 km/s Heliocentric velocity towards Gal. center (spect.dopplerVeloc;pos.heliocentric)
V -7.8 km/s Heliocentric velocity towards Gal. rotation (phys.veloc.rotat;pos.heliocentric)
W -13.7 km/s Heliocentric velocity towards N. Gal. Pole (spect.dopplerVeloc;em.IR.8-15um)
UVW 24.2 km/s Total heliocentric velocity (phys.veloc)
Dmin 25.99 pc Minimum distance at solar encounter (Note 16)   (pos.distance)
Tmin-8913 kyr Timing of Dmin, in thousands of years (Note 17)   (time.epoch)
e 0.0938   Total orbital eccentricity (Note 18)   (src.orbital.eccentricity)
phi -6.9 deg [-180/180] Pericenter position angle (Note 18)   (src.orbital.periastron)
a 8359 pc Semi-major axis of orbit (Note 18)   (phys.size.smajAxis)
b 8322 pc Semi-minor axis of orbit (Note 18)   (phys.size.sminAxis)
c 784 pc Focus-to-center distance of orbit (=a.e) (Note 18)   (pos.distance;src.orbital)
L 8286 deg Semilatus rectum of orbit (Note 18)   (src.orbital)
Rmin7576 pc Orbital radius at pericenter (Note 18)   (pos.distance;src.orbital)
Rmax 9143 pc Orbital radius at apocenter (Note 18)   (pos.distance;src.orbital)
Npl    Number of exoplanets (known in April 2012) (meta.number)
Mpl   Exoplanet discovery method(s) (Note 19)   (meta.code;obs)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref)

Hpmag 5.465 mag Median magnitude in Hipparcos system (phot.mag;em.opt.V)
e_Hpmag 0.001 mag Standard error on Hpmag (stat.error;phot.mag;em.IR.H)
m_Hpmag*   [A-Z*-] Reference flag for Hpmag (Note 20)   (meta.code.multip)
Hpmax 5.45 mag Hpmag at maximum (5th percentile) (phot.mag;em.opt.V)
Hpmin 5.48 mag Hpmag at minimum (95th percentile) (phot.mag;em.IR.H)
Per  d Variability period (src.var)
Hvar  mag [CDMPRU] Variability type (Note 21)   (meta.code;src.var)
Umag  mag Apparent magnitude in Johnson U (phot.mag;em.opt.U)
Bmag 5.377 mag Apparent magnitude in Johnson B (phot.mag;em.opt.B)
Vmag 5.50 mag Apparent magnitude in Johnson V (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in R (phot.mag;em.opt.R)
Imag 5.587 mag Apparent magnitude in I (phot.mag;em.opt.I)
Jmag 5.724 mag J selected default magnitude (Note 22)   (phot.mag;em.IR.J)
e_Jmag 0.020 mag J total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.J)
Hmag 5.755 mag H selected default magnitude (Note 22)   (phot.mag;em.IR.H)
e_Hmag 0.024 mag H total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.H)
Kmag 5.789 mag K selected default magnitude (Note 22)   (phot.mag;em.IR.K)
e_Kmag 0.023 mag K total magnitude uncertainty (Note 22)   (stat.error;phot.mag;em.IR.K)
2MASS04562418-0510169  2MASS source designation (linked to details from 2MASS-PSC catalog) (Note 22)   (meta.id.cross)
q2MAAA  JHK photometric quality flag (Note 22)   (meta.code.qual;phot)
B-V-0.123 mag Johnson B-V color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.004 mag Standard error on B-V (stat.error;phot.color;em.opt.B)
V-I-0.11 mag Color index in Cousins' system (phot.color;em.opt.V;em.opt.I)
e_V-I 0.01 mag Standard error on V-I (stat.error;phot.color;em.opt.V)
HpMag-1.265 mag Absolute Magnitude of Hpmag (Note 23)   (phot.mag;em.IR.H)
UMag  mag Absolute Magnitude in Johnson U (Note 23)   (phot.mag;em.opt.U)
BMag-1.35 mag Absolute Magnitude in Johnson B (Note 23)   (phys.magAbs;em.opt.B)
VMag-1.23 mag Absolute Magnitude in Johnson V (Note 23)   (phys.magAbs;em.opt.V)
RMag  mag Absolute Magnitude in R (Note 23)   (phys.magAbs;em.opt.R)
IMag-1.14 mag Absolute Magnitude in I (Note 23)   (phys.magAbs;em.opt.I)
JMag-1.01 mag Absolute Magnitude J (Note 23)   (phys.magAbs;em.IR.J)
HMag-0.97 mag Absolute Magnitude H (Note 23)   (phys.magAbs;em.IR.H)
KMag -0.94 mag Absolute Magnitude K (Note 23)   (phys.magAbs;em.IR.K)
Lum 574.89 Lsun Stellar luminosity (Note 23)   (phys.luminosity)
magmin 0.84 mag Apparent magnitude V at Tmin (main.dat) (phot.mag)
HD 31512   Henry Draper catalog identifier (meta.id)
CstEri  Constellation membership (meta.code.member)
Atlas 280  Millennium Star Atlas page number (meta.bib.page)
Coords04564s0517  RA, DE in compact format; n = + ; s = - (meta.id)
Name62 b Eridani  Star name(s) (meta.id)
GrpName   Cluster or Association name(s) (linked to Group characteristics ) (meta.id.parent)
CompIDCCDM J04564-0510  Reference for Comp (main.dat) (meta.id)
rSpType1999MSS...C05....0H  Reference for SpType (main.dat) (Note 24)   (meta.ref;pos.frame)
r_RV564  Reference for RV (main.dat) (meta.ref;pos.frame)
r_[Fe/H]   Reference(s) for [Fe/H] (main.dat) (meta.ref)
  
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